The Treaties of Portage des Sioux were a series of treaties at Portage des Sioux, Missouri in 1815 that officially were supposed to mark the end of conflicts between the United States and Native

A treaty of peace and friendship, made and concluded at Portage des Sioux between William Clark, Ninian Edwards, and Auguste Chouteau, Commissioners Plenipotentiary of the United States of America,

A treaty of peace and friendship, made and concluded at Portage des Sioux, between William Clark, Ninian Edwards, and Auguste Chouteau, Commissioners Plenipotentiary of the United States of America,

A treaty of peace and friendship, made and concluded at Portage des Sioux between William Clark, Ninian Edwards, and Auguste Chouteau, Commissioners Plenipotentiary of the United States of America,

A treaty of peace and friendship made and concluded at Portage des Sioux, between William Clark, Ninian Edwards, and Auguste Chouteau, Commissioners Plenipotentiary of the United States of America,